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Preparation of the natural zeolite based catalyst for hydrocracking process of petroleum derived atmospheric residue
5th World Congress on Petrochemistry and Chemical Engineering
December 05-07, 2016 Phoenix, USA

Tserendorj Tugsuu

National University of Mongolia, Mongolia

Scientific Tracks Abstracts: J Pet Environ Biotechnol


This research focused to prepare the natural zeolite based catalysts for hydrocracking and to compare their catalytic reactivity. The clinoptilolite type natural zeolite of Tsagaantsav in Dornogobi province and the paraffinic atmospheric residue of Tamsagbulag crude oil in Dornod province were used in this research. The quality of adsorption or the ion exchange capacity of natural zeolite was improved from 0.21 mmol/g to 0.41 mmol/g after washing and thermal activation of natural zeolite. The Ni or Fe ion was loaded into the zeolite sample which was enriched and calcined previously, by ion exchange method. The prepared Ni/zeolite, Fe/zeolite catalysts were identified as clinoptilolite type zeolite from the database in D500 instrument, which was used in X-ray diffraction analysis. It means the structure of natural zeolite was not broken down during the metal loading. The researchers assigned that the thermal stability of Tsagaantsav zeolite is at 950ºC temperature. Therefore Ni/zeolite, Fe/zeolite catalysts were possible to use in hydrocracking process, which is carried out at 450ºС-500ºС of temperature. The atmospheric residue (AR) conversion, the contents of sulfur were determined after hydrocracking used the prepared zeolite catalyst, the commercial catalyst and without catalyst. The AR conversion in hydrocracking with the prepared zeolite was 22.5% higher than none catalytic process and 8.9% higher than commercial catalyst. It is proved that both of modified zeolite catalysts worked effectively as a catalyst in hydrocracking of AR. Even the contents of sulfur in middle and heavy fraction were 490-615 ppm after hydrocracking with Ni/zeolite, Fe/zeolite catalysts. This result was evident that Ni/zeolite, Fe/zeolite catalysts were inactive at hydrodesulfurization, because the contents of sulfur in middle and heavy fraction were 370-478 ppm after hydrocracking without catalyst. Therefore, this is needed for the sulfur removal process of products after hydrocracking with Ni/zeolite or Fe/zeolite catalysts.

Biography :

Tserendorj Tugsuu has completed her PhD from National University of Mongolia (NUM) in 2013, her dissertation subject was a Refining process for petroleum derived atmospheric residue. She has published more than 15 papers in scientific journals and has participated in more than 9 research projects as a Project Coordinator or as an Investigator. She has been working at a Petroleum Chemistry Laboratory, Center of Chemistry and Technology of New Materials, NUM as a Researcher from 1997 to 2002, now she is working at the Department of Environmental Study and Chemical Engineering, School of Engineering and Applied Science, NUM, as a Senior Lecturer. She has studied at the Ohtsuka Laboratory, Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Japan as Research Fellow and has worked at Hydrocracking Catalyst Laboratory, Advanced Fuel Group, AIST, Japan as a Trainee from 2009 to 2011. Her topic of interest is Clean Energy Technology.